𝟎𝟓. 𝐅𝐫𝐨𝐧𝐭 𝐨𝐟 𝐭𝐡𝐞 𝐧𝐞𝐜𝐤 (𝐒𝐮𝐛𝐝𝐢𝐯𝐢𝐬𝐢𝐨𝐧𝐬, 𝐩𝐥𝐚𝐭𝐲𝐬𝐦𝐚, & 𝐬𝐭𝐞𝐫𝐧𝐨𝐦𝐚𝐬𝐭𝐨𝐢𝐝)🔺🗣️ (العضلة الجلدية والقصية الخشائية)

"𝗧𝗵𝗶𝘀 𝘃𝗶𝗱𝗲𝗼 𝗲𝘅𝗽𝗹𝗮𝗶𝗻𝘀 𝘁𝗵𝗲 𝗰𝘂𝘁𝗮𝗻𝗲𝗼𝘂𝘀 𝘀𝘂𝗽𝗽𝗹𝘆, 𝘀𝘂𝗯𝗱𝗶𝘃𝗶𝘀𝗶𝗼𝗻𝘀, 𝗮𝗻𝗱 𝗺𝘂𝘀𝗰𝗹𝗲𝘀 𝗼𝗳 𝘁𝗵𝗲 𝗳𝗿𝗼𝗻𝘁 𝗼𝗳 𝘁𝗵𝗲 𝗻𝗲𝗰𝗸 (𝗽𝗹𝗮𝘁𝘆𝘀𝗺𝗮 𝗮𝗻𝗱 𝘀𝘁𝗲𝗿𝗻𝗼𝗺𝗮𝘀𝘁𝗼𝗶𝗱) 𝗮𝗻𝗱 𝗮𝗽𝗽𝗹𝗶𝗲𝗱 𝗮𝗻𝗮𝘁𝗼𝗺𝘆 (𝗶𝗻𝗰𝗹𝘂𝗱𝗶𝗻𝗴 𝗠𝗖𝗤, 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗮𝗹, 𝗮𝗻𝗱 𝗶𝗻𝘁𝗲𝗿𝗮𝗰𝘁𝗶𝘃𝗲 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀)". 𝐂𝐡𝐚𝐩𝐭𝐞𝐫𝐬 (𝐭𝐢𝐦𝐞𝐬𝐭𝐚𝐦𝐩𝐬)💡الفصول (الطوابع الزمنية) 00:00 - Intro (مقدمة) 00:22 - Content (المحتوى) 01:38 - Cutaneous Supply 02:15 - Platysma 04:35 - Nerve Supply 06:00 - Relations 07:36 - Sternomastoid 08:32 - Origin and Insertion 09:20 - Action 12:24 - Nerve Supply 13:49 - MCQ 14:34 - Practical Questions 15:19 - Interactive Questions 𝐌𝐂𝐐: 💪 👋 1. What is the nerve supply of the platysma muscle? A. Great auricular nerve B. Transverse cervical nerve C. Cervical branch of the facial nerve D. Mandibular branch of the facial nerve 2. Which layer of cervical fascia encloses the platysma muscle? A. Prevertebral fascia B. Investing layer of deep cervical fascia C. Superficial fascia D. Pretracheal fascia 3. What is the main action of the platysma muscle? A. Elevates the mandible B. Depresses the angle of the mouth and lower jaw C. Elevates the clavicle D. Retracts the tongue 4. Which of the following best describes the origin of the sternocleidomastoid muscle? A. Medial end of clavicle and manubrium B. Manubrium sterni and the medial third of the clavicle C. Lateral end of clavicle and first rib D. Acromion process and clavicle 5. Which nerve supplies motor innervation to the sternocleidomastoid muscle? A. Cervical plexus (C2–C3) B. Spinal accessory nerve C. Dorsal scapular nerve D. Phrenic nerve 6. What is the action of the unilateral contraction of the sternocleidomastoid? A. Extension of the neck B. Flexion of the head on the neck C. Rotation of the head to the same side D. Rotation of the head to the opposite side 7. A patient cannot turn his head to the left against resistance. Which muscle is likely paralyzed? A. Left sternocleidomastoid B. Right sternocleidomastoid C. Left splenius capitis D. Right trapezius 8. A surgical incision along the anterior border of the sternocleidomastoid may injure which nerve? A. Spinal accessory B. Greater occipital C. Ansa cervicalis D. Supraclavicular nerve 9. Which vein lies deep to the platysma and crosses the sternocleidomastoid superficially? A. Internal jugular vein B. External jugular vein C. Retromandibular vein D. Anterior jugular vein 10. In congenital muscular torticollis, which muscle is typically shortened? A. Platysma B. Sternocleidomastoid C. Trapezius D. Omohyoid 11. Which part of the deep cervical fascia is attached to the zygomatic arch? A. Investing layer B. Prevertebral layer C. Pretracheal layer D. Carotid sheath 12. A 5-year-old boy, whose medical history includes a complicated delivery, has a continuously tilted head posture, with the right ear near the right shoulder and the face turned upward and to the left. Which of the following muscles was most likely damaged during birth? A. Left trapezius B. Right trapezius C. Left sternocleidomastoid D. Right sternocleidomastoid 😂💞 🤣 𝓦𝓪𝓲𝓽𝓲𝓷𝓰 𝓕𝓸𝓻 𝓨𝓸𝓾𝓻 𝓐𝓷𝓼𝔀𝓮𝓻 😂💞 🤣 𝐀𝐧𝐬𝐰𝐞𝐫𝐬 𝐭𝐨 𝐌𝐂𝐐𝐬: 👇😀 𝟭. 𝗖 𝟮. 𝗖 𝟯. 𝗕 𝟰. 𝗕 𝟱. 𝗕 𝟲. 𝗗 𝟳. 𝗕 𝟴. 𝗔 𝟵. 𝗕 𝟭𝟬. 𝗕 𝟭𝟭. 𝗔 𝟭𝟮. 𝗗 𝐅𝐨𝐫 𝐜𝐨𝐧𝐭𝐚𝐜𝐭: 📢 📌𝐄𝐦𝐚𝐢𝐥: [email protected] 📌𝐅𝐚𝐜𝐞𝐛𝐨𝐨𝐤 𝐩𝐞𝐫𝐬𝐨𝐧𝐚𝐥 𝐚𝐜𝐜𝐨𝐮𝐧𝐭:   / drayman.khanfour   📌𝐅𝐚𝐜𝐞𝐛𝐨𝐨𝐤 𝐠𝐫𝐨𝐮𝐩:   / 314015989895733   📌𝐓𝐞𝐥𝐞𝐠𝐫𝐚𝐦 𝐜𝐡𝐚𝐧𝐧𝐞𝐥: https://t.me/+k-LcyYc-0WsyNDg0 📌𝐓𝐞𝐥𝐞𝐠𝐫𝐚𝐦 𝐠𝐫𝐨𝐮𝐩: https://t.me/+S-dZx8Sf-LBiOWE0 📌𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦:   / dr_aymn   📌𝐘𝐨𝐮𝐓𝐮𝐛𝐞 𝐜𝐡𝐚𝐧𝐧𝐞𝐥 𝐰𝐞𝐛𝐬𝐢𝐭𝐞 𝐥𝐢𝐧𝐤:    / @dr.ayman_khanfour   📞𝐌𝐨𝐛𝐢𝐥𝐞 (𝐚𝐧𝐝 𝐖𝐡𝐚𝐭𝐬𝐀𝐩𝐩): +20 1223815866 𝐇𝐚𝐬𝐡𝐭𝐚𝐠: 🔍 #front_of_the_neck #platysma #sternomastoid